Seiko Cal. 6647 - 695

The 6647-695 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 6647 caliber with 31j jewels beating at 21,600 bph, it delivers a 49 hours power reserve. [seikata-wm-177019c68b18]

Also known as: World Timer, Golden Tuna

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

43mm

Case Thickness

10.7mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

30m

Dial Color

Champagne

Jewels

31j

Frequency

21,600 bph

Power Reserve

49 hours

Year

1975

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